<template>
  <div class="todo-container">
    <div class="todo-wrap">
      <Header></Header>
      <List></List>
      <Footer></Footer>
      <h1 v-show="!todoList.length">您好，您这边暂时没有任务</h1>
    </div>
  </div>
</template>

<script>
import {mapState}from 'vuex'
import Header from './components/Header.vue'
import List from './components/List.vue'
import Footer from './components/Footer.vue'
export default {
  // 注册
  components: {
    Header,
    List,
    Footer,
  },
  // 计算属性
  computed:{
    ...mapState(['todoList']),
  },
  // 用于本地保存
  updated(){
    // 本地存储
       localStorage.setItem('todos',JSON.stringify(this.todoList))
  }
}
</script>
<style>
/*base*/
body {
  background: #fff;
}

.btn {
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: 0;
  font-size: 14px;
  line-height: 20px;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2),
    0 1px 2px rgba(0, 0, 0, 0.05);
  border-radius: 4px;
}

.btn-danger {
  color: #fff;
  background-color: #da4f49;
  border: 1px solid #bd362f;
}

.btn-danger:hover {
  color: #fff;
  background-color: #bd362f;
}

.btn:focus {
  outline: none;
}

.todo-container {
  width: 600px;
  margin: 0 auto;
}
.todo-container .todo-wrap {
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 5px;
}
h1{
  color: paleturquoise;
}
</style>
